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Recognised as Colour

#4375B2

  • #4375B2
  • Blue
  • Dark
  • Nearest: Steel blue

#4375B2 is a blue with RGB values 67, 117, 178 and HSL 213°, 45%, 48%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#4375B2#4375B2
HEX#4375B2
RGBrgb(67, 117, 178)
RGB (0–1)0.2627, 0.4588, 0.698
RGB percentages26.3%, 45.9%, 69.8%
HSLhsl(213, 45.3%, 48%)
HSV / HSBhsv(213, 62.4%, 69.8%)
CMYK62.4%, 34.3%, 0%, 30.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,421,042
CSS custom property--colour: #4375B2;

Brightness & contrast

Relative luminance0.1713WCAG 2.x, 0 is black and 1 is white
Perceived brightness114 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.74:1
Contrast with white4.74:1WCAG normal text: AA
Contrast with black4.43:1WCAG normal text: Fail
Greyscale equivalent#6F6F6F
Inverted#BC8A4D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5B79B5no red cones; affects about 1% of men; ΔE 5.1 from the original
Deuteranopia#4C6EB1no green cones; the most common form, about 1% of men; ΔE 6.3 from the original
Tritanopia#00838Bno blue cones; rare, and affects men and women equally; ΔE 38.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.74:1WCAG large text: AAA
Contrast with black, large text4.43:1WCAG large text: AA

Named colours

Steel blue · ΔE 9.2Cornflower blue · ΔE 19.3Slate grey · ΔE 27.6Light slate grey · ΔE 27.7Dodgerblue · ΔE 29.2Dark slateblue · ΔE 29.8
Nearest named CSS colourSteel blue (#4682B4)ΔE 9.25, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B28043
Analogous#43ADB2, #4843B2
Triadic#B24375, #75B243
Split complementary#B24843, #ACB243
Tetradic#B243AD, #B28043, #43B248

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D3DFEE
Lighter +30%#AEC4E0
Lighter +20%#89AAD2
Lighter +10%#648FC4
Darker −10%#355D8D
Darker −20%#274468
Darker −30%#192C43
Darker −40%#0B141E
More saturated +25%#2472D1
Less saturated −25%#627893

Channel breakdown

R67
G117
B178
Red67 (26.3%)
Green117 (45.9%)
Blue178 (69.8%)
Hue212.97°
Saturation (HSL)45.31%
Lightness48.04%
Dominant channelBlue
Hex per channelR 43 · G 75 · B B2

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Every value on this page was computed from “4375b2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.